Wiring Diagram VW TRANSPORTER 2017 - Rear parking aid warning buzzer - Front parking aid warning buzzer - Warning buzzer 2 for rear parking aid - Parking aid control unit - Onboard supply control unit - Fuse 30 on fuse holder C

| H15 | Rear parking aid warning buzzer, on parking aid control unit |
| H22 | Front parking aid warning buzzer, on parking aid control unit |
| H31 | Warning buzzer 2 for rear parking aid |
| J446 | Parking aid control unit |
| J519 | Onboard supply control unit |
| SC30 | Fuse 30 on fuse holder C |
| T10av | 10-pin connector, brown, under front passenger seat |
| T12r | 12-pin connector, brown |
| T16h | 16-pin connector, brown |
| T17q | 17-pin connector, black, under driver seat |
| T73b | 73-pin connector, white |
| B278 | Positive connection 2 (15a) in main wiring harness |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| * | According to equipment |
| *2 | near left D-pillar |
| *3 | near right B-pillar |
| *4 | Only models with parking aid, front/rear |
| *5 | Only models with rear parking aid |
| *6 | Only models with no dimmable instrument illumination |
Wiring Diagram VW TRANSPORTER 2017 - Front right parking aid sender - Front centre right parking aid sender - Front centre left parking aid sender - Front left parking aid sender - Parking aid control unit
| G252 | Front right parking aid sender |
| G253 | Front centre right parking aid sender |
| G254 | Front centre left parking aid sender |
| G255 | Front left parking aid sender |
| J446 | Parking aid control unit |
| T10bl | 10-pin connector, black, near horn, dual-tone horn |
| T12r | 12-pin connector, brown |
| 348 | Earth connection (parking aid), in front bumper wiring harness |
| X65 | Connection (parking aid), in front bumper wiring harness |
| * | Only models with parking aid, front/rear |
Wiring Diagram VW TRANSPORTER 2017 - Rear left parking aid sender - Rear centre left parking aid sender - Rear centre right parking aid sender - Rear right parking aid sender - Parking aid control unit
| G203 | Rear left parking aid sender |
| G204 | Rear centre left parking aid sender |
| G205 | Rear centre right parking aid sender |
| G206 | Rear right parking aid sender |
| J446 | Parking aid control unit |
| T12s | 12-pin connector, black |
| T12v | 12-pin connector, black, behind left D-pillar trim |
| T17q | 17-pin connector, black, under driver seat |
| 352 | Earth connection (parking aid), in rear bumper wiring harness |
| X68 | Positive connection (parking aid), in rear bumper wiring harness |
Wiring Diagram VW TRANSPORTER 2017 - Parking aid button - Parking aid control unit - Parking aid warning lamp - Parking aid switch illumination bulb
| E20 | Switch and instrument illumination regulator |
| E266 | Parking aid button |
| J446 | Parking aid control unit |
| K136 | Parking aid warning lamp |
| L117 | Parking aid switch illumination bulb |
| T16h | 16-pin connector, brown |
| 367 | Earth connection 2, in main wiring harness |
| 368 | Earth connection 3, in main wiring harness |
| 636 | Earth point, onboard supply control unit |
| B340 | Connection 1 (58d), in main wiring harness |
| B341 | Connection 2 (58d), in main wiring harness |
| B342 | Connection 3 (58d), in main wiring harness |
| * | Only models with parking aid, front/rear |
| *2 | Only models with dimmable instrument illumination |
| *3 | Only models with no dimmable instrument illumination |
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